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The gravity of Earth, denoted by g, is the net acceleration that is imparted to objects due to the combined effect of gravitation (from mass distribution within Earth) and the centrifugal force (from the Earth's rotation ). [2] [3] It is a vector quantity, whose direction coincides with a plumb bob and strength or magnitude is given by the norm .
A sample of food-grade diatomaceous earth Scanning electron micrograph of diatomaceous earth. Diatomaceous earth (/ ˌ d aɪ. ə t ə ˈ m eɪ ʃ ə s / DY-ə-tə-MAY-shəs), diatomite (/ d aɪ ˈ æ t ə m aɪ t / dy-AT-ə-myte), celite or kieselgur/kieselguhr is a naturally occurring, soft, siliceous sedimentary rock that can be crumbled into a fine white to off-white powder.
The history of Earth is divided into four great eons, starting 4,540 mya with the formation of the planet. Each eon saw the most significant changes in Earth's composition, climate and life. Each eon is subsequently divided into eras, which in turn are divided into periods, which are further divided into epochs . Eon.
History of Google. Google was officially launched in 1998 by Larry Page and Sergey Brin to market Google Search, which has become the most used web-based search engine. Larry Page and Sergey Brin, students at Stanford University in California, developed a search algorithm first (1996) known as "BackRub", with the help of Scott Hassan and Alan ...
Find a globe in your local library or classroom and try this: Close the eyes, spin it and drop a finger randomly on its curved, glossy surface. In the age of Google Earth, watches that triangulate ...
Jerusalem (/ dʒ ə ˈ r uː s əl ə m ˌ-z ə-/ jə-ROO-sə-ləm, -zə-; Hebrew: יְרוּשָׁלַיִם Yerushaláyim, pronounced [jeʁuʃaˈlajim] ⓘ; Arabic: القُدس al-Quds, pronounced ⓘ, local pronunciation:) is a city in the Southern Levant, on a plateau in the Judaean Mountains between the Mediterranean and the Dead Sea.
Oceania An orthographic projection of Oceania Area 9,000,000 km 2 (3,500,000 sq mi) (7th) Population 44,491,724 (2021, 6th) Population density 4.94/km 2 (12.8/sq mi) GDP (nominal) $1.630 trillion (2018, 6th) GDP per capita $62,316 (2023, 1st) Religions 82.2% Christianity 42.7% Protestantism 24.7% Catholicism 14.8% Other Christian 16.5% No religion 1.3% Other Demonym Oceanian Countries UN ...
Mariana Trench. The Mariana Trench is an oceanic trench located in the western Pacific Ocean, about 200 kilometres (124 mi) east of the Mariana Islands; it is the deepest oceanic trench on Earth. It is crescent-shaped and measures about 2,550 km (1,580 mi) in length and 69 km (43 mi) in width. The maximum known depth is 10,984 ± 25 metres ...